Vegetarian Sierra Stew

1 cup uncooked kidney beans
2 tablespoons olive oil
1 large onion -- thinly sliced
4 large cloves garlic -- minced
1 green bell pepper
-- (seeded and coarsely
chopped)
1 cup green cabbage
-- (coarsely chopped)
1/2 cup diced russet potatoes -- unpeeled
1 can tomatoes/16 oz -- including liquid
1 tablespoon chili powder
or more to taste
1/2 teaspoon ground cumin
1/2 cup uncooked brown rice
4 cups water or vegetable broth
salt free seasoning
black pepper to taste